6
votes
Accepted
OpenStreetMap: Finding shape dimensions from a query
The problem is that OSM has many nodes and ways on the map, and many of them overlap. I don't know if there is any way to filter data with Nominativ, but you can filter data with Overpass.
First step ...
- 76
5
votes
Accepted
Shapefile or GeoJSON of all Caribbean Islands
The OSMData Land Polygons include all land areas in the world, which should mean it includes the data you are looking for. It's derived from natural:coastline rather than place:island, so it shouldn't ...
- 326
5
votes
USA Road Network Data Set Options?
OpenStreetMap hosts an open source google maps like database from which you can download all the map elements, from which you can filter all the roads according to the type of road you want. The speed ...
- 1,453
5
votes
Accepted
How do I acquire bike network shapefiles for a particular region?
Yes; go to overpass turbo and build your query based on cycleway tags. It's not guaranteed that OSM will have official open data in it, as manual collection and addition always takes priority over ...
- 555
4
votes
Accepted
Road surface roughness
In Italy there is a project named SmartRoadSense, started on February 21th, 2015. The goal of this project is monitoring of Italy's road surface (487,700 km [1]) and all results are open data.
Now, ...
4
votes
Accepted
What do dashed and solid brown lines mean in open street map?
You can check out the underlying data, which can help to understand what is what, and if you know the area, what may be mis-tagged.
The "dashed brown line" is a grade3 track:
Mostly solid. Even ...
- 17.5k
4
votes
Seeking free basemaps for offline use in GIS?
If you want to go for Leaflet and offline (Raster) Tiles, you can checkout https://gitlab.com/IvanSanchez/Leaflet.TileLayer.MBTiles
For non-commercial products you can get free map tiles from https://...
- 141
4
votes
Where can I download cities' polygons in Wales and England
The definitive answer for any British administrative area is Ordnance Survey's Boundary Line product.
From Euro constituencies to council wards, Boundary-Line™ maps every administrative boundary ...
- 771
4
votes
Seeking Green space layer for California
Openstreetmap (OSM) is an excellent source of all kinds of vector data on human infrastructure, particularly in urban areas of the USA and Europe.
You'll need to figure out which OSM tags for ...
- 141
3
votes
Where would I be able to obtain or purchase GeoJSON data for Manhattan submarkets?
Try the open data portal for NYC. For example, the NYC borough boundaries GIS data.
- 1,214
3
votes
Accepted
Where I can get the full list of San Francisco Bay Area Tech Companies?
Many Bay area companies are included in the SV map, despite its name.
You can access the raw data as a json (archive)
Data model looks as follows:
{
"marketValuation": 0,
"title": "...
- 17.5k
3
votes
Seeking list of residential buildings (API / DB) for USA
Why not use OSM Buildings data?
Microsoft released US Building Footprints dataset but you are going to want to ensure accuracy. I've read/seen examples where it is not 100% accurate.
OSM Buildings ...
- 11.8k
3
votes
Polygons for Irish Counties
I think the issue may be that the political boundaries won't include water and lakes.
Here are some options
check out this long blog post and corresponding dataset
download entire Ireland from ...
- 17.5k
3
votes
USA Road Network Data Set Options?
The National Transportation Atlas Database provides a roadway network and data to accomplish this:
NTAD Liner Notes
Highway Performance Monitoring System - This includes data for speed limits (795 MB)...
- 1,339
3
votes
Road surface roughness
The international version of SmartRoadSense will be announced today during a press conference in Urbino (Italy).
http://smartroadsense.it/blog/en/crowd4roads-the-european-project/
3
votes
Accepted
to which extend we can use the data of healthsite.io - can we use maps etc. too?
Great question!
The data license is the same as the ODbL of OpenStreetMap.
## ODC Open Database License (ODbL)
Preamble
The Open Database License (ODbL) is a license agreement intended to
allow ...
- 46
2
votes
Are coordinates of pixel clicked on Google Maps reusable?
The main issue here is relates to the principal of 'derived data'.
In the example given Joe has opened up Google maps and clicked on a pixel that he has estimated as being the location of the Eiffel ...
- 61
2
votes
Japanese place/building names English translation database
Wikidata have some place name but those are only for notable locations
Japanese government have a Gazetter of Japan which contain translation of ~4K place name in Japan http://www.gsi.go.jp/...
- 211
2
votes
Train Stations Open Source Point Data
I can only validate this method for Germany and by using QGis 2.14 but here my result:
Download the OSM data of the country of your choice (I used Germany) and look for osm_transport.shp.
Select ...
- 299
2
votes
Points of Interest for France, Spain, and Italy?
My way of approaching this would be to download the OpenStreetMap .pbf files directly from a source that regionally subsets the OSM data and then convert it to whatever format works best.
A great ...
- 640
2
votes
Greek wander paths, trails
Wandermap.net has an option to "export to GPS" which I would expect to be give you a .gpx file.
The OSM wander map you linked to is drawing its trails from https://hiking.waymarkedtrails.org and its ...
- 1,355
2
votes
Where would I be able to obtain or purchase GeoJSON data for Manhattan submarkets?
If by “submarket” you just mean “neighborhood” then there are plenty of open sources
For example:
https://github.com/veltman/snd3/blob/master/data/nyc-neighborhoods.geo.json
- 17.5k
2
votes
Accepted
gps coordinates of train routes
Both https://data-usdot.opendata.arcgis.com/datasets/usdot::north-american-rail-network-lines and https://hifld-geoplatform.opendata.arcgis.com/datasets/2a9677db741d4a78bd221586fe9a61f5_0/data appear ...
- 333
2
votes
get info on all catholic churches in Europe
Have you seen this ? I google it and try to see if there's any and it came up...
https://catholic-geo-hub-cgisc.hub.arcgis.com/pages/a-globalchurch
- 1,295
2
votes
OpenStreetMap power grid data for a given year
OpenStreetMap cannot tell you what the power grid was like at a particular time point. What it can tell you is what OpenStreetMap had mapped for the power grid at a particular time point. The two are ...
- 121
1
vote
Where can I find free and accurate Parcel data for counties in the US
As Barry Carter explained, parcel data in the US is generally maintained at the county level. Unfortunately this means you usually have to download it from a separate source for each county. Here's a ...
- 1,355
1
vote
Where I can get the full list of San Francisco Bay Area Tech Companies?
Here is an open source list via Github with the information you are looking for.
https://github.com/connor11528/companies-in-the-bay-area
1
vote
Free, Limitless GeoJSON APIs for nation shapes?
Although not an API, there are hosts of GeoJSON with quite a small size, for example, 251 KB: https://github.com/johan/world.geo.json/blob/master/countries.geo.json
raw data: https://raw....
- 17.5k
1
vote
Free GIS data that doesn't require attribution for printing on products
one good option is http://www.naturalearthdata.com/, which is public domain
Natural Earth is a public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales.
http://www....
- 17.5k
1
vote
Accepted
Funding resources for GIS Open Data creation?
Check out Old Maps Online: https://www.oldmapsonline.org/. They have an interactive map of the world, which you can use to locate georeferenced historic maps.
They have many more old maps that are ...
- 1,355
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